cvzoomwindow 0.0.3

CvNameWindow class that adds zoom and pan functions to OpenCV's namedWindow

CvZoomWindow

CvNameWindow class that adds zoom and pan functions to OpenCV's namedWindow

Install

pip install cvzoomwindow

Sample

import cv2
import cvzoomwindow

# Image loading
img = cv2.imread("image.bmp")

# Instance of CvZoomWindow class
zw = cvzoomwindow.CvZoomWindow(
    "Zoom Window" # Name of the window 
    )

# Displays an image
zw.imshow(img)

# Waits for a pressed key.
cv2.waitKey()

How to operate

mouse operation	operation
Double click of left button	Display the entire image
Double click of right button	Equal-size display of images
Left button drag	Moving Images
Mouse wheel up	Zoom up
Mouse wheel down	Zoom down

More information

Blog) CvZoomWindow class

https://imagingsolution.net/program/python/opencv-python/cvzoomwindow_class/